NTSB Identification: LAX98LA309.
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Accident occurred Saturday, September 26, 1998 in GILROY, CA
Probable Cause Approval Date: 02/16/2001
Aircraft: Texas Helicopter OH-13H, registration: N1001G
Injuries: 1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
The pilot was headed back to the airport, about 50 feet agl, and felt a strong vibration throughout the entire helicopter. The aircraft pitched up and gained about 50 to 75 feet of altitude and began to turn to the right. The pilot reported that he lowered the collective, applied full left cyclic, and leveled the aircraft. He stated that about 15 feet agl he lost control and the helicopter impacted the ground in a 30- to 45-degree left roll attitude. The pilot reported that the engine was still running for about 5 to 10 seconds after impact, then quit on its own. He stated that he had not experienced any malfunction with the aircraft prior to the accident. No discrepancies were found during an examination of the airframe, powerplant, and control systems.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's loss of control for undetermined reasons. Full narrative available
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